CN110732920A - Centrifugal grinding device for inner hole of casting part - Google Patents
Centrifugal grinding device for inner hole of casting part Download PDFInfo
- Publication number
- CN110732920A CN110732920A CN201911027857.1A CN201911027857A CN110732920A CN 110732920 A CN110732920 A CN 110732920A CN 201911027857 A CN201911027857 A CN 201911027857A CN 110732920 A CN110732920 A CN 110732920A
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- CN
- China
- Prior art keywords
- polishing
- grinding
- rod
- rods
- small motor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses casting part inner hole centrifugal polishing devices, which belong to the technical field of casting production and processing.A polishing disc is arranged at the end part of an output rotating shaft of a small motor, opposite polishing rods are hinged to the front side and the rear side of the polishing disc, a spring is connected between the front and rear opposite polishing rods, a polishing ball is fixed at the outer end of each polishing rod, before the small motor is started, the polishing rods are expanded under the action of the spring, the polishing rods at the two sides are respectively abutted against limiting stop platforms at the two sides, the overall diameter of each polishing rod is smaller and is convenient to insert into a casting part inner hole, after the small motor is started, the polishing discs are driven to rotate, the polishing rods are inwards contracted under the action of centrifugal force, the polishing balls at the end parts of the polishing rods can polish the inner hole wall, and.
Description
Technical Field
The invention relates to the technical field of casting production and processing, in particular to an casting part inner hole centrifugal polishing device.
Background
At present, casting parts are rough after primary manufacturing is finished, and is mainly subjected to manual grinding treatment or grinding treatment by a polishing machine.
polishing of the inner hole of the casting part generally requires manual polishing, and even if the inner hole with narrow width and narrow inner width is manually polished, the inner hole is difficult to process, the polishing efficiency is low, and the quality cannot be guaranteed.
Disclosure of Invention
In order to solve the technical problem, the invention provides casting part inner hole centrifugal grinding devices.
The centrifugal polishing device for the inner holes of the casting parts comprises a small motor, wherein a polishing disc is mounted at the end part of an output rotating shaft of the small motor, opposite polishing rods are hinged to the front side surface and the rear side surface of the polishing disc, a spring is connected between the front opposite polishing rod and the rear opposite polishing rod, and a polishing ball is fixed at the outer end of each polishing rod.
, the end of the output rotating shaft of the small motor is provided with an external thread, the shaft center of the polishing disc is provided with a through hole, the through hole of the polishing disc is sleeved at the end of the output rotating shaft of the small motor, and the end of the output rotating shaft of the small motor is provided with a fastening nut tightly pressed on the outer side of the polishing disc.
outer supporting rings are fixed on the circumferential surface of the polishing disc, the inner end of the polishing rod is connected with a single lug, a through hole is formed in the single lug, the single lug through hole is sleeved on the outer supporting rings, in addition, the inner end of the polishing rod opposite to the polishing rod is connected with two lugs, through holes are formed in the two lugs, the two lug through holes are sleeved on the outer supporting rings, and the single lug is positioned between the two lugs.
A slide bar is hinged on the grinding bar, another opposite grinding bar is provided with a long slide hole, the end of the slide bar passes through the long slide hole, and the spring is sleeved on the slide bar.
rings of limiting stop platforms are respectively fixed on the front side and the rear side of the circumferential surface of the grinding disc.
Compared with the prior art, the invention has the beneficial effects that: before the small motor is not started, the grinding rods are opened under the action of the spring, the grinding rods on the two sides respectively abut against the limiting stop platforms on the two sides, and the grinding rods are small in overall diameter and convenient to insert into inner holes of casting parts; after the small motor is started, the polishing disc is driven to rotate; the grinding rod is inwards contracted under the action of centrifugal force, the grinding ball at the end part of the grinding rod can grind the inner hole wall, and the problems that the inner hole of a casting part is difficult to treat and the grinding efficiency is low are solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a small-sized motor; 2. grinding disc; 3. grinding the rod; 3-1, single ear; 3-2, double ears; 4. a spring; 5. grinding the ball; 6. fastening a nut; 7. an outer support ring; 8. a limiting stop.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only some embodiments of of the present invention, rather than all embodiments.
Referring to fig. 1, the casting inner hole centrifugal grinding device comprises a small motor 1, wherein an external thread is arranged at the end part of an output rotating shaft of the small motor 1, a through hole is arranged at the axis of a grinding disc 2, the through hole of the grinding disc 2 is sleeved at the end part of the output rotating shaft of the small motor 1, and a fastening nut 6 tightly pressed on the outer side of the grinding disc 2 is arranged at the end part of the output rotating shaft of the small motor 1.
outer supporting rings 7 are fixed on the circumferential surface of the polishing disc 2, the inner end of the polishing rod 3 is connected with a single lug 3-1, a through hole is formed in the single lug 3-1, the through hole of the single lug 3-1 is sleeved on the outer supporting ring 7, the inner end of the polishing rod 3 opposite to is connected with a double lug 3-2, a through hole is formed in the double lug 3-2, the through hole of the double lug 3-2 is sleeved on the outer supporting ring 7, the single lug 3-1 is positioned between the double lugs 3-2, a sliding rod 8 is hinged on the polishing rod 3, a long sliding hole is formed in the polishing rod 3 opposite to , the end of the sliding rod 8 penetrates through the long sliding hole, a spring 4 is sleeved on the sliding rod 8, and two ends of the spring 4 are connected with.
The outer end of the grinding rod 3 is fixed with a grinding ball 5, and the front side and the rear side of the circumferential surface of the grinding disc 2 are respectively fixed with circles of limit stop platforms 8.
Before the small-sized motor is not started,
the polishing rods are opened under the action of the spring, the polishing rods on the two sides respectively abut against the limiting stop platforms on the two sides, and the polishing rods are small in overall diameter and convenient to insert into inner holes of casting parts;
after the small-sized motor is started,
driving the polishing disc to rotate; the grinding rod is inwards contracted under the action of centrifugal force, the grinding ball at the end part of the grinding rod can grind the inner hole wall, and the problems that the inner hole of a casting part is difficult to treat and the grinding efficiency is low are solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
- The centrifugal polishing device for the inner holes of the casting parts is characterized by comprising a small motor (1), wherein a polishing disc (2) is installed at the end part of an output rotating shaft of the small motor (1), opposite polishing rods (3) are hinged to the front side surface and the rear side surface of the polishing disc (2), a spring (4) is connected between the front opposite polishing rods (3) and the rear opposite polishing rods (3), and a polishing ball (5) is fixed at the outer end of each polishing rod (3).
- 2. Centrifugal grinding device of casting bore according to claim 1, characterized in that: the end part of an output rotating shaft of the small motor (1) is provided with an external thread, and the axis of the polishing disc (2) is provided with a through hole; the through hole of the polishing disc (2) is sleeved at the end part of the output rotating shaft of the small motor (1), and a fastening nut (6) tightly pressed on the outer side of the polishing disc (2) is installed at the end part of the output rotating shaft of the small motor (1).
- 3. The centrifugal grinding device for the inner holes of the castings according to claim 1 is characterized in that outer support rings (7) are fixed on the circumferential surface of the grinding disc (2), single lugs (3-1) are connected to the inner end of the grinding rod (3), through holes are formed in the single lugs (3-1), the through holes of the single lugs (3-1) are sleeved on the outer support rings (7), two lugs (3-2) are connected to the inner end of the grinding rod (3) opposite to , through holes are formed in the two lugs (3-2), the through holes of the two lugs (3-2) are sleeved on the outer support rings (7), and the single lugs (3-1) are located between the two lugs (3-2).
- 4. Centrifugal grinding device for casting inner holes, according to claim 1, characterized in that the grinding rod (3) is hinged with a sliding rod (8), opposite to the grinding rod (3) is provided with a long sliding hole, the end of the sliding rod (8) passes through the long sliding hole, and the spring (4) is sleeved on the sliding rod (8).
- 5. The centrifugal grinding device for the inner holes of the casting parts as claimed in claim 4, wherein rings of limiting stops (8) are respectively fixed on the front side and the rear side of the circumferential surface of the grinding disc (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911027857.1A CN110732920B (en) | 2019-10-28 | 2019-10-28 | Centrifugal grinding device for inner hole of casting part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911027857.1A CN110732920B (en) | 2019-10-28 | 2019-10-28 | Centrifugal grinding device for inner hole of casting part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110732920A true CN110732920A (en) | 2020-01-31 |
| CN110732920B CN110732920B (en) | 2021-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911027857.1A Active CN110732920B (en) | 2019-10-28 | 2019-10-28 | Centrifugal grinding device for inner hole of casting part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110732920B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850991A (en) * | 2022-07-07 | 2022-08-05 | 泗洪晶隆机械制造有限公司 | Inner surface polishing equipment for special-shaped castings |
| CN117862980A (en) * | 2023-12-11 | 2024-04-12 | 广东思贝乐能源装备科技有限公司 | Vacuum pump impeller shaft hole grinding device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01205896A (en) * | 1988-02-12 | 1989-08-18 | Toshiba Eng & Constr Co Ltd | Device for cleaning inner face of weld zone of piping |
| CN205201220U (en) * | 2015-12-08 | 2016-05-04 | 山西北方机械制造有限责任公司 | Hole polishing processingequipment |
| CN205938338U (en) * | 2016-07-19 | 2017-02-08 | 西安理工大学 | Spiral pipe inner wall defect image acquisition robot |
| CN109366271A (en) * | 2018-12-20 | 2019-02-22 | 佛山迪骏自动化科技有限公司 | A kind of ceramics inner hole grinding grinding device |
| CN109500671A (en) * | 2018-11-22 | 2019-03-22 | 洛阳罗伊机械有限公司 | A kind of inner wall of steel cylinder sander |
-
2019
- 2019-10-28 CN CN201911027857.1A patent/CN110732920B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01205896A (en) * | 1988-02-12 | 1989-08-18 | Toshiba Eng & Constr Co Ltd | Device for cleaning inner face of weld zone of piping |
| CN205201220U (en) * | 2015-12-08 | 2016-05-04 | 山西北方机械制造有限责任公司 | Hole polishing processingequipment |
| CN205938338U (en) * | 2016-07-19 | 2017-02-08 | 西安理工大学 | Spiral pipe inner wall defect image acquisition robot |
| CN109500671A (en) * | 2018-11-22 | 2019-03-22 | 洛阳罗伊机械有限公司 | A kind of inner wall of steel cylinder sander |
| CN109366271A (en) * | 2018-12-20 | 2019-02-22 | 佛山迪骏自动化科技有限公司 | A kind of ceramics inner hole grinding grinding device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850991A (en) * | 2022-07-07 | 2022-08-05 | 泗洪晶隆机械制造有限公司 | Inner surface polishing equipment for special-shaped castings |
| CN117862980A (en) * | 2023-12-11 | 2024-04-12 | 广东思贝乐能源装备科技有限公司 | Vacuum pump impeller shaft hole grinding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110732920B (en) | 2021-06-22 |
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